Overview
Utenos aglomeracija is a wastewater treatment plant serving Utena, Lithuania, with a population equivalent of 95,000. It operates under the EU Urban Waste Water Treatment Directive.
Utenos aglomeracija is a wastewater treatment plant located in Utena, Utenos apskritis, Lithuania. Serving a population equivalent of 95,000, it is a significant facility in the region's wastewater infrastructure. The plant is situated inland, approximately 50 km from the Baltic Sea coast. As a large agglomeration under the EU Urban Waste Water Treatment Directive (91/271/EEC), the plant is required to provide secondary treatment as a minimum, and likely tertiary treatment if discharging into sensitive areas. The directive mandates that agglomerations over 10,000 population equivalent must have collecting systems and appropriate treatment. The plant's design and operation align with these EU standards. The treated effluent from Utenos aglomeracija is discharged into local water bodies that eventually drain into the Nemunas River basin and then into the Curonian Lagoon and the Baltic Sea. This downstream chain highlights the plant's role in protecting the ecological health of the region's waterways, which support diverse aquatic life and are important for biodiversity.
Environmental context
The plant discharges into the Nemunas River basin, which flows into the Curonian Lagoon and ultimately the Baltic Sea. This watershed supports diverse aquatic ecosystems and is a critical migratory corridor for fish species. The plant's treatment performance directly affects water quality in these downstream environments, which are ecologically sensitive and subject to eutrophication pressures from nutrient loads.
Frequently asked questions
Utenos aglomeracija is located in Utena, Utenos apskritis, Lithuania. The facility serves the urban area of Utena and surrounding communities.
The plant serves a population equivalent of 95,000, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into local water bodies that are part of the Nemunas River basin, which flows into the Curonian Lagoon and the Baltic Sea.
As a large agglomeration (>10,000 PE), the plant must comply with the EU UWWTD, which requires secondary treatment as a minimum and possibly tertiary treatment if discharging into sensitive areas.
In Lithuania, plants of this scale typically employ secondary biological treatment, often with nutrient removal to meet EU standards for sensitive areas like the Baltic Sea.
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